https://www.vishalon.net/blog/android-app-not-installed-error
4 Reasons You Get Android "App Not Installed" Error - Vishal Monpara
Nov 23, 2020 - Trying to install an Android app from phone disk? Getting "App Not Installed" error? Can't figure out the solution? Here are 4 reasons and solutions.
android app not installedyou getreasons